Answer：

g up with the rest of the class.
【超级句型】trouble可以用在句型"have trouble doing sth. " 做某事有困难"中，这时，trouble可以用difficulty来代替。
【超级短语】keep up with意为"跟上......"，指并肩前进，并驾齐驱，不至落后、掉队。catch up with意为"赶上"，指从后边追上或改变落后状。

ng making
【超级单词】mind作及物动词，后面通常接名词、代词、V-ing形式、复合结构、从句等。
Delay后接动词时，应该接动词的ing形式。

indispensable roles
【超级短语】play a part/role in起着......作用，饰演......的角色。

ts to escape being fined
【超级单词】escape后面要接动名词形式。常与介词from搭配，如He has escaped from the fire.

/found him cheating me
【超级句型】find/catch+宾语+宾补,如I found him standing by the river.

adapt himself to
【超级句型】suggest作"建议"时，其宾语从句中要用虚拟句型"suggest that sb．(should)do sth．"结构；从suggest还可以联想到宾语从句中同样要用虚拟语气的相关动词如：insist，demand，order，ask，advise等。
【超级短语】adapt oneself to 使自己适应或习惯于，其他搭配： adapt from 根据......改写/改编

ering all my life
【超级单词】Be worth doing.../值得做某事,还有说法是worth sth. 如：He is worth the praise.

r will they
【超级单词】neither表示"两者都不"， 表示"也"、"也不" 的句子要部分倒装。如：If you won't go, neither will I.

ing about his real purpose
【超级单词】leave sb doing 让继续处于某种状态；leave sb to do sth 让某人干某事

ed my advice, you would not be in trouble now.
【超级句型】虚拟语气在if 引导的条件句中的用法
从句：if + 主语+ 动词的过去式(be 用were) + ......
主句：主语+ would (should, could , might) + 动词原形+ ......

contact with
【超级短语】lose contact with/lose touch with与......失去联系

being developed
【超级句型】"be being done"现在进行时的被动语态表示此时此刻某事正在被做。其中动词be应随主语作相应变化。

a strong influence on/effect on
【超级短语】influence/effect作名词（常与on连用）对...有影响力。
influence指"通过说服、举例等对行动、思想、性格等产生不易觉察到的,潜移默化的影响",如:Influenced by a high-school biology teacher, he took up the study of medicine.
effect指"实现"、"达成",着重"造成"一种特殊的效果,如:This book effected a change in my opinion.　

't have been cleaned
【超级句型】"情态动词+have done"表示推测，must/can/may/might/could各用于不同句型中，must只用于肯定句中，can/could不能用于肯定句中，may/might不能用于疑问句中。can't表示不可能，may not表示可能不。如题中推测的为过去的事情，情态动词后则用完成形式。

d her injured son sent into the operation room.
【超级句型】see/watch...sb./sth.+done强调某动作的全过程，且宾语和动作间是被动关系。

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